[main] Update dependencies from dotnet/runtime (#15495)

Microsoft.NETCore.App.Ref
 From Version 6.0.8 -> To Version 6.0.8

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

NuGet.config

@@ -14,7 +14,7 @@
     <!--  Begin: Package sources from dotnet-aspnetcore -->
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-pub-dotnet-runtime-78111ad" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-78111ad0/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-runtime-f8bf0fc" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-f8bf0fcc/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-public" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json" protocolVersion="3" />

eng/Version.Details.xml

@@ -10,7 +10,7 @@
     </Dependency>
     <Dependency Name="Microsoft.NETCore.App.Ref" Version="6.0.8">
       <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>78111ad07e09e4e1b9d9e2f620bd56a2711ecb78</Sha>
+      <Sha>f8bf0fcc30d2e1f606266db1b644266c7bdbf063</Sha>
     </Dependency>
     <!-- This is required for our test apps to build; in some cases Microsoft.AspNetCore.App is pulled in, and when building test apps the build needs to be able to resolve that -->
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="6.0.5" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">